Method of packing die sets



Patented June 21, 1932 UNITED STATES EMIL A. BAUMBACH, OF CI-IICGO, ILLII\TOIS METHOD OF PACKING DIE SETS Application filed J'une 1,

My invention relates to the art of paoking, anal more particularly to the packing of' a die set for shipment.

In the shipment of die sets, it has hereto- .fore been the practice to insert a block of Wood between the proximel surfeces of the punch holder and the die shoe; This method, however, has been found unsatisfactory for the reason that in many instances the 0 leader pins have been bent by rough handling or dropping, due to the fact that the wooden block would aot as a fulcrum about which the punch holder might move.

An object of Iny invention is to provide a 5 n1ethod of packing die sets for shipment wherein the danger of bending leader pins is reduoed to a minimum.

A further objeot is to provide a 1nethod of packing which may be practiced with great economy.

Other objects will be apparent fro1n the speoification and drawing.

Figure 1 is a perspective view of a die set 5 mcorporat1ng my 1nvent1on;

l, and

Fig. 3 is a element.

Referring to the drewing in detail, the embodiment shown comprises a die shoe 1 being provided with leader pins 2 over whioh the p-unch holder 3 may be pla.ced by means of the holes 4 provided for this purpose. Between the adjaeent surfaoes of the punch holder and die shoe is placed one or more of the packing elements 5, whioh, es indiceted in Figs. l and 3 normally positions the die shoe l and punch holder 3, the seid packing element comprising a relatively short tube of paper, wood pulp or sonne other cellulose material having yielding or compressible qualities to gether with a slight degree of resilienoy. This ti1be may be in cross section, of any desired or convenient shape, but is preferably circular.

While I have shown in the drawing the packing element es having its axis at rightangles to the surfaces of the die shoe and punch holder, it will be evident that the axis perspective view 01 my pecking Fig. 2 is a section 011 the line 2-2 of Fig.

1931. Serial N0. 541,341.

might intersectthe surfaces of the die shoe at other angles and still be effective.

By exhaustive tests and experiments and in actual practical use, the invention thus shown and described has proved to be an in1- portant improvement in the art of' paoking die sets, and has greatly reduced injury to the leader pins of die sets. If e set, packed as described, is roughly handled or dropped, the tuloular packing elements 5 Will yield somewhat, as they are of compressible, orushable material so that the shock of impact is lessened by the cushioning efiect thus 0bteined. The tool holder may mash the packing member somewhat and slide a short distanee toward the die shoe, the leader pins 2 entering farther into the leader pin holes 4, but there is not the danger of bending the leader pins that existed With the method of paoking where substantially rigid incomzu pressible spacer blocks Were used.

Further modifications Will be apparent to those skilled in the art and it is desired, therefore, thet my invention be limited only by the prior art and the scope oft the appended claims.

Having thus described my invention, what I claim and desire to secure by Letters Pat ent is:

l. The method of packing a die set f01 shipment comprising placing the tool holdei in position with respect to the die shoe With the leader pins of the die shoe engaging the openings in the tool holder and placing between the proximal surfaces of the die shoe and the tool holder a tubular spacer member of compressible material having suflicient rigidity to normally position the tool holder With respect to the die shoe with the axis of the tubular member extending transversely with respect to seid proximal surfaces.

2. The method 0f packing adie sei; for shipment comprising placing the tool holder in position with respeot t0 the die shoe with the leader pins of the die shoe engaging the openings in the tool holder and placing between the proximal surfaces of the die shoe and the tool holder a tubular spaeer member of crushable material having suflicient rigidity to normally position the tool holder with respect t0 the die shoe with the axis of the tubular member extending transversely wit-h respect to said proximal surfaces.

3. The method of packing a die set f0r shipment comprising placing the tool holder in position with respect t0 the die shoe with the leader pins 0f the die shoe engaging the openings in the ool holder and plaeing between the proximal surfaces of the die shoe and the tool holder a tubular spacer member of eellulose material having sufiicient rigidity to normally position the tool holder with respect t0 the die sh0e with the axis of the tubular member extending transversely with respect t0 said proximal surfaces.

In vmtness whereoi, I have hereunto subscr1bed my name.

EMIL A. BAUMBACH. 

